import React, { Component } from 'react';
import { render } from 'react-dom';

class Es6 extends Component {
    constructor(props) {
        super(props); 
        // 设置 initial state
        this.state = {
             
        };
 
    }
  render() {
    return (
      <div>
        section
        hgjf
        <h1>Promise</h1>
      </div>
      
    )
  }
}
export default Es6 







